test_proclog: add cmdline check in buildProcLogerMessage (#25891)

system/proclogd/tests/test_proclog.cc

@@ -140,6 +140,18 @@ TEST_CASE("buildProcLogerMessage") {
       REQUIRE(p.getName() == "test_proclog");
       REQUIRE(p.getState() == 'R');
       REQUIRE_THAT(p.getExe().cStr(), Catch::Matchers::Contains("test_proclog"));
+      REQUIRE(p.getCmdline().size() == 1);
+      REQUIRE_THAT(p.getCmdline()[0], Catch::Matchers::Contains("test_proclog"));
+    } else {
+      std::string cmd_path = "/proc/" + std::to_string(p.getPid()) + "/cmdline";
+      if (util::file_exists(cmd_path)) {
+        std::ifstream stream(cmd_path);
+        auto cmdline = Parser::cmdline(stream);
+        REQUIRE(cmdline.size() == p.getCmdline().size());
+        for (int i = 0; i < p.getCmdline().size(); ++i) {
+          REQUIRE(cmdline[i] == p.getCmdline()[i].cStr());
+        }
+      }
     }
   }
 }